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<?php |
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namespace PhpSchool\LearnYouPhp\Exercise; |
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use Hoa\Core\Exception\Exception; |
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use PhpSchool\LearnYouPhp\TcpSocketFactory; |
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use PhpSchool\PhpWorkshop\Exercise\ExerciseInterface; |
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use PhpSchool\PhpWorkshop\ExerciseCheck\SelfCheck; |
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use PhpSchool\PhpWorkshop\Result\Failure; |
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use PhpSchool\PhpWorkshop\Result\ResultInterface; |
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use PhpSchool\PhpWorkshop\Result\StdOutFailure; |
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use PhpSchool\PhpWorkshop\Result\Success; |
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use Psr\Http\Message\RequestInterface; |
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use Symfony\Component\Process\Process; |
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use Symfony\Component\Process\ProcessBuilder; |
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use Zend\Diactoros\Request; |
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/** |
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* Class TimeServer |
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* @package PhpSchool\LearnYouPhp\Exercise |
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* @author Aydin Hassan <[email protected]> |
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*/ |
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class TimeServer implements ExerciseInterface, SelfCheck |
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{ |
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/** |
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* @var TcpSocketFactory |
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*/ |
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private $socketFactory; |
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/** |
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* TimeServer constructor. |
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* @param TcpSocketFactory $socketFactory |
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*/ |
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public function __construct(TcpSocketFactory $socketFactory) |
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{ |
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$this->socketFactory = $socketFactory; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return 'Time Server'; |
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} |
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/** |
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* @return string |
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*/ |
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public function getDescription() |
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{ |
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return 'Build a Time Server!'; |
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} |
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/** |
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* @return string |
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*/ |
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public function getSolution() |
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{ |
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return __DIR__ . '/../../res/solutions/time-server/solution.php'; |
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} |
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/** |
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* @return string |
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*/ |
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public function getProblem() |
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{ |
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return __DIR__ . '/../../res/problems/time-server/problem.md'; |
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} |
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/** |
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* @return null |
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*/ |
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public function tearDown() |
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{ |
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} |
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/** |
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* @param string $fileName |
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* @return ResultInterface |
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*/ |
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public function check($fileName) |
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{ |
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$address = '127.0.0.1'; |
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$port = $this->getRandomPort(); |
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$cmd = sprintf('%s %s %s', PHP_BINARY, $fileName, implode(' ', [$address, $port])); |
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$process = new Process($cmd, dirname($fileName)); |
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$process->start(); |
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//wait for server to boot |
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usleep(100000); |
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$client = $this->socketFactory->createClient($address, $port); |
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try { |
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$client->connect(); |
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} catch (Exception $e) { |
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return Failure::fromNameAndReason($this->getName(), $e->getMessage()); |
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} |
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$out = $client->readAll(); |
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//wait for shutdown |
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usleep(100000); |
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if ($process->isRunning()) { |
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$process->stop(); |
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} |
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if ($process->isSuccessful()) { |
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$date = new \DateTime; |
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//match the current date but any seconds |
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//since we can't mock time in PHP easily |
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if (!preg_match(sprintf('/^%s:([0-5][0-9]|60)\n$/', $date->format('Y-m-d H:i')), $out)) { |
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return new StdOutFailure($this->getName(), $date->format("Y-m-d H:i:s\n"), $out); |
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} |
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return new Success($this->getName()); |
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} |
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return new Failure($this->getName(), $process->getErrorOutput()); |
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} |
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/** |
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* @return int |
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*/ |
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private function getRandomPort() |
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{ |
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return mt_rand(1025, 65535); |
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} |
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} |
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php-school /
learn-you-php
